Englishfor English speakers
back
Preposition
—
Toward the rear.
He went back behind the stands.
—
To a place again.
I didn't like it, so I sent it back.
He went back to the same house.
They came back again.
back
Noun
—
The back is the rear part of something; it is the part in the other direction from the front.
I went to the back of the house.
—
The back is the rear part of the human body.
He had a scar on his back.
back
Verb
—
If you back something, you support it.
The Republicans backed the bill.
—
If you back up, you move backward.
He put the car in gear and backed right into the garage door.
effect
Noun
—
An effect is something that is caused by something else.
His comments had a visible effect on those who heard it.
The effect of the change was small.
—
If a law, agreement, change, etc. takes effect, it officially begins.
The closing of the company takes effect at midnight.
The new rules have been in effect since January.
effect
Verb
—
If you effect a change, you make it happen.
I will effect the change without your help.